Tankless Water Heater Installation in Billings, MT
DFV Plumbing provides professional tankless water heater installation throughout Billings, MT, ensuring reliable hot water on demand.
- Licensed & Insured
- Fast, Reliable Installation
- Gas Line Upgrades Handled
- Modern Hot Water Systems
Switch to Tankless Hot Water in Billings, MT.
Call now for a flat-rate tankless installation quote that includes gas, venting and water connections.
Trusted Tankless Water Heater Installation in Billings, MT
DFV Plumbing specializes in professional tankless water heater installation for homeowners across Billings, MT. We help you move from traditional tank-style heaters to modern, energy-efficient tankless units that provide hot water on demand.
Our expertise includes:
- Expert sizing and venting for optimal performance.
- Professional venting and gas line hookups.
- Isolation valve kits and scale filters for hard water protection

Additional Plumbing Installation Services in Billings, MT
We install water heaters, pumps, lines, and fixtures across Billings, MT with careful, permitted work that passes inspection the first time.

Customers
Why Choose DFV Plumbing for Tankless Water Heater Installation in Billings, MT?
Our team understands how water hardness and seasonal temperature swings affect tankless performance. Water across much of Montana is moderately hard to hard, especially from wells, so scale buildup in water heaters and faucets is common. We will guide you through the process, from selection to final setup, with honesty and expertise.
- Endless Hot Water, Never run out of hot water again, even with multiple showers or appliances running at once.
- Gas Done Right, Gas lines are upsized when needed so the heater never runs short of fuel.
- Scale Protection, Isolation valves and scale filters protect the heat exchanger from hard water.
Citywide Coverage
No matter where your home is in Billings, we can plan a tankless install that suits your layout and gas service. We also handle conversions from attic tanks to wall-mounted units.
Experienced Team
The team has converted many tank-style homes to tankless and knows the common pitfalls, from undersized gas lines to poor venting. They plan around those issues before the install starts.
Safety-First Approach
Safety and code compliance come first on every tankless water heater installation we take on in Billings. Our plumbers closely follow local Montana plumbing codes, from gas line connections to proper venting, preventing potential hazards.
Trusted Certified Billings Plumbing Services Professionals
At DFV Plumbing, we take pride in providing certified plumbing services throughout Billings, MT. Backed by recognized industry credentials, our experienced plumbers combine technical skill with genuine customer care. Whether it is repair, installation, or maintenance, we follow strict safety and quality standards to deliver long-lasting results you can trust.
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PHCC Plumbing Contractor Recognition
Better Business Bureau (BBB) Accreditation
Angi Certified Pro
ISO 9001 Quality Management CertificationReliable Tankless Water Heater Installation Services in Billings, MT
Tankless vs Tank Cost Comparison in Billings, MT
Tankless installation costs more upfront than a standard tank because of the unit price, gas line upgrades and venting changes. Over time, lower standby energy losses and a longer expected lifespan offset part of that cost. Tankless units often last 15 to 20 years with proper descaling, compared with about 8 to 12 years for many tanks in hard water areas. We give you a side-by-side quote so you can decide what fits your budget.

Tank to Tankless Conversions in Billings
Converting from a tank requires more than swapping units. A 40 gallon tank heater uses roughly 40,000 BTU, while a whole-home tankless unit may need up to 199,000 BTU, so the gas line often needs to be upsized. Venting changes from a metal flue to PVC or stainless, and the unit moves to a wall location. We remove and haul away your old tank and patch the old flue penetration.
Gas Tankless Water Heater Installation in Billings
For many homes in Billings, gas tankless water heaters are a common choice due to their powerful heating and lower operating costs compared to electric models. Our certified technicians handle all aspects of gas line connections, venting and combustion air requirements, so your system operates safely and efficiently. We work with leading brands like Rinnai and Noritz to provide dependable, on-demand hot water.
Electric Tankless Water Heater Installation in Billings, MT
Electric tankless water heaters are an good option for homes in Billings where natural gas is not available or preferred. These units are often smaller, simpler to vent and can be installed closer to the point of use. DFV Plumbing provides expert electrical sizing to make sure your home's panel can safely support a new electric tankless unit, offering consistent hot water without the need for a gas line.
Residential Tankless System Upgrades in Billings
Upgrading your traditional hot water tank to a tankless system in Billings can significantly improve efficiency and comfort. We assess your home's hot water demands, existing plumbing and utility connections to recommend the best tankless model for your household size and usage patterns. Our team manages the entire conversion, including the safe removal and disposal of your old water heater, minimizing disruption to your daily routine.
Residential Tankless Water Heater Installation in Billings
DFV Plumbing specializes in installing tankless water heaters for residential properties. We assess your home's hot water demands, family size and existing utility connections to recommend the most suitable unit, so you get the right capacity for your needs. Our installations are designed to be energy efficient, providing endless hot water while often lowering your monthly utility bills in Billings.
Rinnai, Navien and Noritz Installation in Billings, MT
We install leading tankless brands including Rinnai, Navien, Noritz and Rheem. Rinnai offers a wide model range and strong parts support, while Navien condensing units often include built-in recirculation pumps. Noritz is known for durable commercial-grade heat exchangers. We help you compare models by flow rate, efficiency and warranty.

Cost-Effective Tankless Conversions in Billings, MT
While the initial cost of a tankless water heater installation in Billings, MT may be higher than a traditional tank, the long-term energy savings and longer lifespan often make it a more cost-effective solution. We provide detailed estimates, outlining the benefits and potential rebates, to help you make an informed decision for your home. Our installations are designed for top efficiency, putting money back in your pocket.
Tankless Water Heater Installation Near Me in Billings, MT
When you search for 'tankless water heater installation near me' in Billings, MT, DFV Plumbing is your trusted local expert. We know the plumbing and homeowner needs throughout the area, ensuring prompt and personalized service right to your doorstep.
Our plumbers install tankless heaters in Billings regularly and know local permit and inspection requirements. We stock common models and parts to keep projects moving. You get a clean, professional installation and clear instructions on maintenance.
DFV Plumbing at a Glance
- Licensed and insured plumbers serving Billings, MT
- Same-day appointments and 24/7 emergency response
- Clear written estimates, no hidden fees
- 4.9-star rated by 917+ Montana customers
Billings Map
Billings Information
- Population
- 120,864
- Area codes
- 406/599/307
- Service area
- Billings and communities within 40 miles
- Nearby
- Lockwood, Laurel, Livingston, Lewistown
Installing a tankless water heater in Billings, MT can significantly boost energy efficiency and provide endless hot water, a worthwhile upgrade for homes dealing with hard water and changing seasonal demand.
Expert Services
Trust our professionals for reliable DFV Plumbing solutions in Billings, MT.
Our Specialized Plumbing Services in Billings, MT
At DFV Plumbing, we provide a complete range of plumbing services across Billings, MT. From leak detection to full system installations, our team ensures fast, precise, and affordable service for both residential and commercial properties. Explore our core services below:
How We Install Tankless Water Heaters in Billings, MT
We aim for a smooth and professional installation of your new tankless water heater, with little disruption to your Billings home.
Request a Quote
Call (406) 512-8883 to schedule a site visit. We assess your fixtures, gas supply and venting options, then give you a detailed quote.
Install and Upgrade
We remove your old heater, upsize gas lines if needed and mount the new unit. Venting, water connections and isolation valves are installed to the manufacturer's specifications.
Test and Train
We fire the unit, check gas pressure and test hot water at multiple fixtures. Then we show you how to flush the system and register your warranty.
Frequently Asked Questions About Tankless Water Heater Installation in Billings
The cost for tankless water heater installation in Billings can range from $3,000 to $6,000, depending on the unit type (gas or electric), brand, capacity and complexity of the installation, such as gas line upgrades or new venting. This price usually includes the unit and professional labor. We provide a detailed, no-obligation estimate after an on-site assessment.
Fluctuating water temperature, error codes, reduced flow and unusual noises are typical signs. Scale buildup is often the cause in hard water areas.
Tankless water heaters benefit from annual flushing to remove mineral buildup, especially in areas with hard water. This helps maintain efficiency and prolong the unit's lifespan. We offer maintenance services to keep your system running smoothly.
Many manufacturers offer 10 to 15 year heat exchanger warranties and shorter coverage on parts. We also warranty our installation labor.
With annual descaling, tankless units often last 15 to 20 years. Skipping maintenance in hard water areas can shorten that significantly.
In Montana, plumbing and often gas or electrical permits are typically required for tankless water heater installation. DFV Plumbing handles all necessary permit applications and makes sure your installation passes all required inspections by local authorities.
Yes, a permit is usually required because the job involves gas, venting and water connections. We pull the permit and schedule the inspection.
A straight replacement takes four to six hours. Tank to tankless conversions with gas and venting changes usually take a full day.
What People Are Saying About Our Plumbing Experts?

Patricia H.
We had a slab leak that two other companies could not find. DFV Plumbing located it in under an hour, explained our options, and the price matched the quote to the dollar.
Slab Leak Repair · Lockwood, MT
James P.
Our commercial plumbing system had a leak under the sink, and DFV Plumbing handled it professionally. The plumbers arrived quickly and restored everything without disruption to our customers.
Commercial Plumbing · Lockwood, MT
Mark T.
When our office needed drain cleaning, DFV Plumbing provided quick, reliable service. The plumber arrived on time and made sure every drain flowed perfectly before leaving. Very satisfied.
Drain Cleaning · Livingston, MT
Daniel K.
A pipe burst at 11 pm and they actually answered. The plumber showed up within the hour, shut everything down, and had us back to normal the next morning. Could not ask for more.
Emergency Plumbing · Bozeman, MT
Sofia M.
Two new toilets installed in one visit, no mess left behind, and the tech even adjusted a faucet he noticed was dripping. Fair pricing and really friendly.
Toilet Installation · Livingston, MT
Emily R.
I called DFV Plumbing for plumbing repair, and the technician was fast, polite, and thorough. They explained the problem clearly and fixed it the same day. I will definitely hire them again. Highly recommended!
Plumbing Repair · Belgrade, MT













